동창생

최승현

Ri Myung-hoon / Kang Dae-ho

한예리

Lee Hye-in

윤제문

Cha Jeong-min

조성하

Moon Sang-cheol

Kim You-jung

Ri Hye-in

Lee Joo-sil

North Korean Spy

정호빈

Big Dipper

김선경

North Korean Spy

Kim Min-jae

North Korean Liaison

박성웅

Myung-hoon's Father

Kang Han-na

Waffle Store Part-time Worker

유재명

Kim Sun-myung

이신성

Dong-seop

Um Tae-goo

Troubled Kid

박길수

Lottery Store Man

황연희

Teacher